689428076826

Names of 689428076826

• Cardinal: 689428076826 can be written as Six hundred eighty-nine billion, four hundred twenty-eight million, seventy-six thousand, eight hundred twenty-six.

Scientific notation

• Scientific notation: 6.89428076826 × 10¹¹

Factors of 689428076826

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 902064

Divisors of 689428076826

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 19 38 57 114 353 361 706 722 1059 1083 2118 2166 6707 13414 20121 40242 127433 254866 382299 764598 901687 1803374 2705061 5410122 17132053 34264106 51396159 102792318 318295511 325509007 636591022 651018014 954886533 976527021 1909773066 1953054042 6047614709 12095229418 18142844127 36285688254 114904679471 229809358942 344714038413 689428076826
• Sum of all divisors σ(n): 1459371207744
• Sum of proper divisors (its aliquot sum) s(n): 769943130918
• 689428076826 is an abundant number, because the sum of its proper divisors (769943130918) is greater than itself. Its abundance is 80515054092

Bases of 689428076826

• Binary: 1010000010000101000111011001100100011010₂
• Hexadecimal: 0xA0851D991A
• Base-36: 8SPVOCNU

Squares and roots of 689428076826

• 689428076826 squared (689428076826²) is 475311073115996958234276
• 689428076826 cubed (689428076826³) is 327692799032464054131122747434487976
• The square root of 689428076826 is 830318.0576297255
• The cube root of 689428076826 is 8834.1137832327

Scales and comparisons

• 689,428,076,826 seconds is equal to 21,921 years, 35 weeks, 2 days, 15 hours, 7 minutes, 6 seconds.
• To count from 1 to 689,428,076,826 would take you about forty-three thousand, eight hundred forty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 689428076826 cubic inches would be around 736.2 feet tall.

Recreational maths with 689428076826

• 689428076826 backwards is 628670824986
• The number of decimal digits it has is: 12
• The sum of 689428076826's digits is 66
• More coming soon!